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gerrit-public.fairphone.software / kernel / msm-4.19 / b6a50cddbcbda7105355898ead18f1a647c22520 / . / include / linux / of_mdio.h
blob: 2ab233661ae5da49cac59c33c38433501b1af4b4 [file] [log] [blame]
Grant Likely8bc487d2009-04-25 12:52:56 +0000[diff] [blame]1/*
2 * OF helpers for the MDIO (Ethernet PHY) API
3 *
4 * Copyright (c) 2009 Secret Lab Technologies, Ltd.
5 *
6 * This file is released under the GPLv2
7 */
8
9#ifndef __LINUX_OF_MDIO_H
10#define __LINUX_OF_MDIO_H
11
12#include <linux/phy.h>
13#include <linux/of.h>
14
Srinivas Kandagatlaf9dc9ac2012-08-24 01:58:59 +0000[diff] [blame]15#ifdef CONFIG_OF
Grant Likely8bc487d2009-04-25 12:52:56 +0000[diff] [blame]16extern int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np);
17extern struct phy_device *of_phy_find_device(struct device_node *phy_np);
18extern struct phy_device *of_phy_connect(struct net_device *dev,
19 struct device_node *phy_np,
20 void (*hndlr)(struct net_device *),
21 u32 flags, phy_interface_t iface);
Dongpo Lib7862412016-07-15 16:26:34 +0800[diff] [blame]22extern struct phy_device *
23of_phy_get_and_connect(struct net_device *dev, struct device_node *np,
24 void (*hndlr)(struct net_device *));
Andy Fleming7614aba2014-01-10 14:28:11 +0800[diff] [blame]25struct phy_device *of_phy_attach(struct net_device *dev,
26 struct device_node *phy_np, u32 flags,
27 phy_interface_t iface);
Grant Likely8bc487d2009-04-25 12:52:56 +0000[diff] [blame]28
David Daney25106022012-05-02 15:16:37 +0000[diff] [blame]29extern struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np);
Florian Fainelli33d67372015-03-10 16:57:11 -0700[diff] [blame]30extern int of_mdio_parse_addr(struct device *dev, const struct device_node *np);
Arnd Bergmanna5e4bd92016-06-24 11:24:08 +0200[diff] [blame]31extern int of_phy_register_fixed_link(struct device_node *np);
32extern bool of_phy_is_fixed_link(struct device_node *np);
David Daney25106022012-05-02 15:16:37 +0000[diff] [blame]33
Srinivas Kandagatlaf9dc9ac2012-08-24 01:58:59 +0000[diff] [blame]34#else /* CONFIG_OF */
Mark Brown2a5cf802012-10-09 18:33:38 +0000[diff] [blame]35static inline int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np)
Srinivas Kandagatlaf9dc9ac2012-08-24 01:58:59 +0000[diff] [blame]36{
Daniel Mack23a456f2014-05-06 18:52:16 +0200[diff] [blame]37 /*
38 * Fall back to the non-DT function to register a bus.
39 * This way, we don't have to keep compat bits around in drivers.
40 */
41
42 return mdiobus_register(mdio);
Srinivas Kandagatlaf9dc9ac2012-08-24 01:58:59 +0000[diff] [blame]43}
44
Mark Brown2a5cf802012-10-09 18:33:38 +0000[diff] [blame]45static inline struct phy_device *of_phy_find_device(struct device_node *phy_np)
Srinivas Kandagatlaf9dc9ac2012-08-24 01:58:59 +0000[diff] [blame]46{
47 return NULL;
48}
49
Mark Brown2a5cf802012-10-09 18:33:38 +0000[diff] [blame]50static inline struct phy_device *of_phy_connect(struct net_device *dev,
51 struct device_node *phy_np,
52 void (*hndlr)(struct net_device *),
53 u32 flags, phy_interface_t iface)
Srinivas Kandagatlaf9dc9ac2012-08-24 01:58:59 +0000[diff] [blame]54{
55 return NULL;
56}
57
Dongpo Lib7862412016-07-15 16:26:34 +0800[diff] [blame]58static inline struct phy_device *
59of_phy_get_and_connect(struct net_device *dev, struct device_node *np,
60 void (*hndlr)(struct net_device *))
61{
62 return NULL;
63}
64
Andy Fleming7614aba2014-01-10 14:28:11 +0800[diff] [blame]65static inline struct phy_device *of_phy_attach(struct net_device *dev,
66 struct device_node *phy_np,
67 u32 flags, phy_interface_t iface)
68{
69 return NULL;
70}
71
Mark Brown2a5cf802012-10-09 18:33:38 +0000[diff] [blame]72static inline struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np)
Srinivas Kandagatlaf9dc9ac2012-08-24 01:58:59 +0000[diff] [blame]73{
74 return NULL;
75}
Florian Fainelli33d67372015-03-10 16:57:11 -0700[diff] [blame]76
77static inline int of_mdio_parse_addr(struct device *dev,
78 const struct device_node *np)
79{
80 return -ENOSYS;
81}
Thomas Petazzoni3be2a492014-05-16 16:14:05 +0200[diff] [blame]82static inline int of_phy_register_fixed_link(struct device_node *np)
83{
84 return -ENOSYS;
85}
86static inline bool of_phy_is_fixed_link(struct device_node *np)
87{
88 return false;
89}
90#endif
91
92
Grant Likely8bc487d2009-04-25 12:52:56 +0000[diff] [blame]93#endif /* __LINUX_OF_MDIO_H */